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  <title>Return the current process identifier</title>

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</div><hr /><div id="function.posix-getpid" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">posix_getpid</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">posix_getpid</span> &mdash; <span class="dc-title">Return the current process identifier</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.posix-getpid-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">int</span> <span class="methodname"><strong>posix_getpid</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Return the process identifier of the current process.
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.posix-getpid-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the identifier, as an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.posix-getpid-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3567">
    <p><strong>Example #1 Example use of <span class="function"><strong>posix_getpid()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">posix_getpid</span><span style="color: #007700">();&nbsp;</span><span style="color: #FF8000">//8805<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.posix-getpid-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.posix-kill.html" class="function" rel="rdfs-seeAlso">posix_kill()</a> - Send a signal to a process</span></li>
    <li class="member">POSIX man page GETPID(2)</li>
   </ul>
  </p>
 </div>


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